“Say ‘Not Attending’ ” If you’re not looking forward to it, say ‘Attending’ If you’re looking forward to it, and ‘Maybe Attending’ ” if you don’t care, writes the event’s creator, who reminded Facebook users the RSVP is merely symbolic; they don’t have to do anything or go anywhere.

“If you, for whatever reason, do organize something,” he writes, “feel free to advertise such a gathering on this event. I know I’m probably going to be playing Gears of War or something when this happens.